The answers to the clues below will have something in common.

1. Fidgety feeling

2. A little bit nutty

3. Well-prepared state

4. Wrapped sausage

5. Dian Fossey classic

6. Selfish, spiteful sort

7. Little Boy Blue's two issues

8. Dazed, unable to move or think 

9. Dangerous, deceitful person

10. Minor problem that can cause major problems

Answers:

 

1. Ants in your pants

2. Bats in the belfry

3. Ducks in a row

4. Pigs in a blanket 

5. Gorillas in the Mist

6. Dog in a manger

7. Sheep's in the meadow, cow's in the corn

8. Deer in the headlights

9. Snake in the grass

10. Fly in the ointment